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Message-Id: <1275379286-10453-3-git-send-email-ngupta@vflare.org>
Date: Tue, 1 Jun 2010 13:31:24 +0530
From: Nitin Gupta <ngupta@...are.org>
To: Greg KH <greg@...ah.com>
Cc: Pekka Enberg <penberg@...helsinki.fi>,
Andrew Morton <akpm@...ux-foundation.org>,
Minchan Kim <minchan.kim@...il.com>, Ed Tomlinson <edt@....ca>,
Hugh Dickins <hugh.dickins@...cali.co.uk>,
Cyp <cyp561@...il.com>, driverdev <devel@...verdev.osuosl.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/4] Rename ramzswap files to zram
Related changes:
- Modify revelant Kconfig and Makefile accordingly.
- Change include filenames in code.
- Remove dependency on CONFIG_SWAP in Kconfig as zram usage
is no longer limited to swap disks.
Signed-off-by: Nitin Gupta <ngupta@...are.org>
---
drivers/staging/Kconfig | 2 +-
drivers/staging/Makefile | 2 +-
drivers/staging/ramzswap/Kconfig | 21 ---------------
drivers/staging/ramzswap/Makefile | 3 --
drivers/staging/zram/Kconfig | 28 ++++++++++++++++++++
drivers/staging/zram/Makefile | 3 ++
drivers/staging/{ramzswap => zram}/xvmalloc.c | 0
drivers/staging/{ramzswap => zram}/xvmalloc.h | 0
drivers/staging/{ramzswap => zram}/xvmalloc_int.h | 0
.../{ramzswap/ramzswap.txt => zram/zram.txt} | 0
.../{ramzswap/ramzswap_drv.c => zram/zram_drv.c} | 2 +-
.../{ramzswap/ramzswap_drv.h => zram/zram_drv.h} | 2 +-
.../ramzswap_ioctl.h => zram/zram_ioctl.h} | 0
13 files changed, 35 insertions(+), 28 deletions(-)
delete mode 100644 drivers/staging/ramzswap/Kconfig
delete mode 100644 drivers/staging/ramzswap/Makefile
create mode 100644 drivers/staging/zram/Kconfig
create mode 100644 drivers/staging/zram/Makefile
rename drivers/staging/{ramzswap => zram}/xvmalloc.c (100%)
rename drivers/staging/{ramzswap => zram}/xvmalloc.h (100%)
rename drivers/staging/{ramzswap => zram}/xvmalloc_int.h (100%)
rename drivers/staging/{ramzswap/ramzswap.txt => zram/zram.txt} (100%)
rename drivers/staging/{ramzswap/ramzswap_drv.c => zram/zram_drv.c} (99%)
rename drivers/staging/{ramzswap/ramzswap_drv.h => zram/zram_drv.h} (99%)
rename drivers/staging/{ramzswap/ramzswap_ioctl.h => zram/zram_ioctl.h} (100%)
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index b5c3b30..32d5300 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -117,7 +117,7 @@ source "drivers/staging/sep/Kconfig"
source "drivers/staging/iio/Kconfig"
-source "drivers/staging/ramzswap/Kconfig"
+source "drivers/staging/zram/Kconfig"
source "drivers/staging/wlags49_h2/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index e330dd5..cec25b0 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_RAR_REGISTER) += rar_register/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/
obj-$(CONFIG_DX_SEP) += sep/
obj-$(CONFIG_IIO) += iio/
-obj-$(CONFIG_RAMZSWAP) += ramzswap/
+obj-$(CONFIG_ZRAM) += zram/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/
obj-$(CONFIG_BATMAN_ADV) += batman-adv/
diff --git a/drivers/staging/ramzswap/Kconfig b/drivers/staging/ramzswap/Kconfig
deleted file mode 100644
index 127b3c6..0000000
--- a/drivers/staging/ramzswap/Kconfig
+++ /dev/null
@@ -1,21 +0,0 @@
-config RAMZSWAP
- tristate "Compressed in-memory swap device (ramzswap)"
- depends on SWAP
- select LZO_COMPRESS
- select LZO_DECOMPRESS
- default n
- help
- Creates virtual block devices which can (only) be used as swap
- disks. Pages swapped to these disks are compressed and stored in
- memory itself.
-
- See ramzswap.txt for more information.
- Project home: http://compcache.googlecode.com/
-
-config RAMZSWAP_STATS
- bool "Enable ramzswap stats"
- depends on RAMZSWAP
- default y
- help
- Enable statistics collection for ramzswap. This adds only a minimal
- overhead. In unsure, say Y.
diff --git a/drivers/staging/ramzswap/Makefile b/drivers/staging/ramzswap/Makefile
deleted file mode 100644
index 507d7dc..0000000
--- a/drivers/staging/ramzswap/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-ramzswap-objs := ramzswap_drv.o xvmalloc.o
-
-obj-$(CONFIG_RAMZSWAP) += ramzswap.o
diff --git a/drivers/staging/zram/Kconfig b/drivers/staging/zram/Kconfig
new file mode 100644
index 0000000..5bcfe16
--- /dev/null
+++ b/drivers/staging/zram/Kconfig
@@ -0,0 +1,28 @@
+config ZRAM
+ tristate "Compressed RAM block device support"
+ select LZO_COMPRESS
+ select LZO_DECOMPRESS
+ default n
+ help
+ Creates virtual block devices called /dev/zramX (X = 0, 1, ...).
+ Pages written to these disks are compressed and stored in memory
+ itself. These disks allow very fast I/O and compression provides
+ good amounts of memory savings.
+
+ It has several use cases, for example: /tmp storage, use as swap
+ disks and maybe many more.
+
+ See zram.txt for more information.
+ Project home: http://compcache.googlecode.com/
+
+config ZRAM_STATS
+ bool "Enable statistics for compressed RAM disks"
+ depends on ZRAM
+ default y
+ help
+ Enable statistics collection for compressed RAM devices. Statistics
+ are exported through ioctl interface, so you have to use zramconfig
+ program to get them. This adds only a minimal overhead.
+
+ If unsure, say Y.
+
diff --git a/drivers/staging/zram/Makefile b/drivers/staging/zram/Makefile
new file mode 100644
index 0000000..b2c087a
--- /dev/null
+++ b/drivers/staging/zram/Makefile
@@ -0,0 +1,3 @@
+zram-objs := zram_drv.o xvmalloc.o
+
+obj-$(CONFIG_ZRAM) += zram.o
diff --git a/drivers/staging/ramzswap/xvmalloc.c b/drivers/staging/zram/xvmalloc.c
similarity index 100%
rename from drivers/staging/ramzswap/xvmalloc.c
rename to drivers/staging/zram/xvmalloc.c
diff --git a/drivers/staging/ramzswap/xvmalloc.h b/drivers/staging/zram/xvmalloc.h
similarity index 100%
rename from drivers/staging/ramzswap/xvmalloc.h
rename to drivers/staging/zram/xvmalloc.h
diff --git a/drivers/staging/ramzswap/xvmalloc_int.h b/drivers/staging/zram/xvmalloc_int.h
similarity index 100%
rename from drivers/staging/ramzswap/xvmalloc_int.h
rename to drivers/staging/zram/xvmalloc_int.h
diff --git a/drivers/staging/ramzswap/ramzswap.txt b/drivers/staging/zram/zram.txt
similarity index 100%
rename from drivers/staging/ramzswap/ramzswap.txt
rename to drivers/staging/zram/zram.txt
diff --git a/drivers/staging/ramzswap/ramzswap_drv.c b/drivers/staging/zram/zram_drv.c
similarity index 99%
rename from drivers/staging/ramzswap/ramzswap_drv.c
rename to drivers/staging/zram/zram_drv.c
index 7b5cc61..e9b064c 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -30,7 +30,7 @@
#include <linux/swapops.h>
#include <linux/vmalloc.h>
-#include "ramzswap_drv.h"
+#include "zram_drv.h"
/* Globals */
static int ramzswap_major;
diff --git a/drivers/staging/ramzswap/ramzswap_drv.h b/drivers/staging/zram/zram_drv.h
similarity index 99%
rename from drivers/staging/ramzswap/ramzswap_drv.h
rename to drivers/staging/zram/zram_drv.h
index ad91726..4d2e48a 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.h
+++ b/drivers/staging/zram/zram_drv.h
@@ -18,7 +18,7 @@
#include <linux/spinlock.h>
#include <linux/mutex.h>
-#include "ramzswap_ioctl.h"
+#include "zram_ioctl.h"
#include "xvmalloc.h"
/*
diff --git a/drivers/staging/ramzswap/ramzswap_ioctl.h b/drivers/staging/zram/zram_ioctl.h
similarity index 100%
rename from drivers/staging/ramzswap/ramzswap_ioctl.h
rename to drivers/staging/zram/zram_ioctl.h
--
1.7.0.1
--
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